function People() {
    this.room = new Room();

    this.room.storeAnimal();

    this.knock = function (roomNum) {
        var animal = this.room.getAnimal(roomNum);
        animal.cry();
    }

    this.feed = function (roomNum,food) {
        var animal = this.room.getAnimal(roomNum);
        animal.eat(food);
    }

    this.getRoom = function () {
        return this.room;
    }
}
